﻿
// Copyright (C) 2016-2017 Luca Piccioni
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

using System;
using System.Runtime.InteropServices;

namespace OpenGL.Objects
{
	static class StringExtensions
	{
		public static IntPtr[] AllocHGlobal(this String[] array)
		{
			IntPtr[] unmanagedArray = new IntPtr[array.Length];

			for (int i = 0; i < array.Length; i++)
				unmanagedArray[i] = Marshal.StringToHGlobalAnsi(array[i]);

			return (unmanagedArray);
		}

		public static void FreeHGlobal(this IntPtr[] array)
		{
			for (int i = 0; i < array.Length; i++) {
				if (array[i] == IntPtr.Zero)
					continue;
				Marshal.FreeHGlobal(array[i]);
			}
		}
	}
}
